With the analysis among 226 patents, we discovered top 125 key players by total patent application. Fujitsu Ltd., NEC Corp., State Grid Corp. of China are dominant in this area. They take 17.70% of the total patent filing.
Tokyo-to, Japan
Patent: 20
Tokyo-to, Japan
Patent: 11
State Grid Corp. of China
Beijing Shi, China
Patent: 9
Jiangsu Electric Power Co.
Jiangsu Sheng, China
Patent: 8
Jiangsu Electricity Co. Nantong Power Supply Co.
Jiangsu Sheng, China
Patent: 8
Dassault Systemes Simulia Corp.
Rhode Island, United States
Patent: 7
Matsushita Electronics Corp.
Shandong Sheng, China
Patent: 5
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With the analysis among related 84 patents applied in the last 5 years. We discover 65 most active companies in this area. The fast-growing Beihang University, Central South University, Hohai University take 13.10% of patent filing during this period.
Beijing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Zhangjiagang Research Institute of Hydrogen Energy Co.,Ltd.
Jiangsu Sheng, China
Patent: 2
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 2
China Petroleum & Chemical Corp. Northwest Oilfield Branch
Xinjiang Uygur Zizhiqu, China
Patent: 2
Liaoning Sheng, China
Patent: 2
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 2
Hefei General Machinery Research Institute Special Equipment Inspection Station Co., Ltd.
Anhui Sheng, China
Patent: 2
Southwest Petroleum University
Sichuan Sheng, China
Patent: 2
With the analysis among related 84 patents in last 5 years, we discover 52 new entrants. Central South University, Zhangjiagang Research Institute of Hydrogen Energy Co.,Ltd., China Petroleum & Chemical Corp. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 4
Zhangjiagang Research Institute of Hydrogen Energy Co.,Ltd.
Jiangsu Sheng, China
Patent: 2
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 2
China Petroleum & Chemical Corp. Northwest Oilfield Branch
Xinjiang Uygur Zizhiqu, China
Patent: 2
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 2
Hefei General Machinery Research Institute Special Equipment Inspection Station Co., Ltd.
Anhui Sheng, China
Patent: 2
Southwest Petroleum University
Sichuan Sheng, China
Patent: 2
Qingdao Changsheng Ridian Design and Research Institute Co., Ltd.
Shandong Sheng, China
Patent: 2
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 2
Kunming University of Science & Technology
Yunnan Sheng, China
Patent: 2
With the analysis among 175 patents, we discovered top 74 universities and scientific research institutions by total patent application. Nanjing University, Beihang University, Hohai University are dominant in this area. They take 10.86% of the total patent filing.
Jiangsu Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Beijing University of Technology
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 5
Liaoning Sheng, China
Patent: 5
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 5
Hunan Sheng, China
Patent: 4
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 4